Marietta Flag

Marietta

County Seat:
Yes
Area (mi²):
14.822
State:
Ohio

Marietta is located in Washington County, Ohio. Marietta has a 2025 population of 4,174 . It is also the county seat of Washington County . Marietta is currently declining at a rate of -0.26% annually and its population has decreased by -2.41% since the most recent census, which recorded a population of 4,277 in 2020.

The average household income in Marietta is $66,782 with a poverty rate of 12.63%. The median age in Marietta is 49.4 years: 45.6 years for males, and 55 years for females. For every 100 females there are 103.9 males.

4.2K
Total Population
282
Density (mi²)
-11 -0.26%
Growth

Marietta Population

Marietta Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Marietta includes 96.31% White, and smaller percentages for Asian, Two or more races, Native American and multiracial populations.

Population by Race

White (96.31%)

Asian (1.67%)

Two or more races (1.29%)

Native American (0.73%)

Race
Population
Percentage (of total)
White4,09496.31%
Asian711.67%
Two or more races551.29%
Native American310.73%

Marietta Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Marietta's average per capita income is $38,100. Household income levels show a median of $49,167. The poverty rate stands at 12.63%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$70,455-
Families$57,625$78,367
Households$49,167$66,782
Non Families$37,031$44,972

$38,100

Average Income

$49,167

Median Household Income

12.63%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)